Home / 71,418.81-98,529.92-45,921.13

Finding the Fourth Proportional to 71,418.81, 98,529.92 and 45,921.13

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Solution

The fourth proportional to 71,418.81, 98,529.92 and 45,921.13 is: 63,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,418.81 : 98,529.92 = 45,921.13 : x
  2. Step 2: Convert to fraction form
    71,418.81/98,529.92 = 45,921.13/x
  3. Step 3: Cross multiply
    71,418.81x = 98,529.92 × 45,921.13
  4. Step 4: Simplify right side
    71,418.81x = 4,524,604,961.48
  5. Step 5: Solve for x
    x = 4,524,604,961.48/71,418.81
  6. Step 6: Final answer
    x = 63,353.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.